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Pericom Semiconductor

PI5C16862C Datasheet Preview

PI5C16862C Datasheet

2-Port Bus Switch

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PI5C16862C
1122334455667788990011223344556677889900112233445566778899001122112233445566778899001122334455667788990011223344556677889900112211223344556677889900112233445566778899001122334455667788990011221122334455667788990011223344556677889900112233445566778899001122112233445566778899001122
20-Bit, 2-Port Bus Switch
with Undershoot Protection
Features
Near-Zero propagation delay
5-ohm switches connect inputs to outputs
Undershoot Protection up to –1V
Direct bus connection when switches are ON
32X384 function with flow through pinout make board
layout easier
Ultra-low quiescent power (120µA typical)
— ideally suited for notebook applications
Industrial operating temperature: –40°C to +85°C
Packaging (Pb-free & Green avaliable):
— 48-pin 240-mil wide plastic TSSOP
— 48-pin 150-mil wide plastic BQSOP
Description
Pericom Semiconductor’s PI5C16862C is configured as a 20-bit, 2-
port bus switch designed with a low On-Resistance (5-ohm) allowing
inputs to be connected directly to outputs. The bus switch creates
no additional propagational delay or additional ground bounce
noise. The switches are turned ON by the Bus Enable (BEx) input
signal.
The PI5C16862C can withstand undershoot of up to –1V.
Block Diagram
Pin Configuration
A0
A4
BE1
A15
A19
BE4
B0
B4
B15
B19
BE2
A0
A1
A2
A3
A4
A5
A6
A7
A8
A9
GND
BE4
A10
A11
A12
A13
A14
A15
A16
A17
A18
A19
GND
1 48
2 47
3 46
4 45
5 44
6 43
7 42
8 41
9 40
10 39
11 48-Pin 38
12 A, B 37
13 36
14 35
15 34
16 33
17 32
18 31
19 30
20 29
21 28
22 27
23 26
24 25
VCC
BE1
B0
B1
B2
B3
B4
B5
B6
B7
B8
B9
VCC
BE3
B10
B11
B12
B13
B14
B15
B16
B17
B18
B19
Truth Table(1)
Function
Disconnect
Connect
Note:
1. H = High Voltage Level
L = Low Voltage Level
Hi-Z = High Impedance
BEx
H
L
A19-A0
Hi-Z
B19-B0
Pin Description
Pin Name
BEx
A19-A0
B19-B0
Description
Bus Enable Inputs (Active LOW)
Bus A
Bus B
1
PS8391C
09/15/04




Pericom Semiconductor

PI5C16862C Datasheet Preview

PI5C16862C Datasheet

2-Port Bus Switch

No Preview Available !

PI5C16862C
20-Bit, 2-Port Bus Switch
11223344556677889900112233445566778899001122334455667788990011221122334455667788990011223344556677889900112233445566778899001122112233445566778899001122334455667788990011223344556677889900112211223344556677w889900i11t22h3344U5566n7788d9900e11r2233s44h5566o77o8899t00P1122r1122o33t44e5566c77t88i99o0011n22
Maximum Ratings
(Above which the useful life may be impaired. For user guidelines, not tested.)
Storage Temperature............................................................ –65°C to +150°C
Ambient Temperature with Power Applied ........................... –40°C to +85°C
Supply Voltage to Ground Potential (Inputs & VCC Only) ... –0.5V to +7.0V
Supply Voltage to Ground Potential (Outputs & D/O Only) . –0.5V to +7.0V
DC Input Voltage ................................................................... –0.5V to +7.0V
DC Output Current .............................................................................. 120mA
Power Dissipation ................................................................................... 0.5W
Note:
Stresses greater than those listed under MAXIMUM
RATINGS may cause permanent damage to the
device. This is a stress rating only and functional operation
of the device at these or any other conditions above those
indicated in the operational sections of this specification is
not implied. Exposure to absolute maximum rating condi-
tions for extended periods may affect reliability.
DC Electrical Characteristics (Over the Operating Range, TA = –40°C to +85°C, VCC = 5V ±10%)
Parameters
Description
Test Conditions(1)
Min.
VIH Input HIGH Voltage
Guaranteed Logic HIGH Level
VIL Input LOW Voltage
Guaranteed Logic LOW Level
IIH Input HIGH Current
VCC = Max., VIN = VCC
IIL Input LOW Current
VCC = Max., VIN = GND
IOZH High Impedance Output Current 0 IN, YN VCC
VIK Clamp Diode Voltage
VCC = Min., IIN = –18mA
IOS Short Circuit Current(3)
A(B) = 0V, B (A) = VCC
VH Input Hysteresis at Control Pins
RON Switch ON Resistance(3)
VCC = Min., VIN = 0.0V, ION = 48mA
VCC = Min., VIN = 2.4V, ION = 15mA
2.0
–0.5
100
Typ.(2)
150
5.5
9
Max.
0.8
±1
±1
±1
–1.8
8
16
Units
V
µA
V
mA
mV
Capacitance (TA = 25°C, f = 1 MHz)
Parameters(5)
Description
Test Conditions
Typical
Units
CIN Input Capacitance
VIN = 0V
6
COFF
A/B Capacitance, Switch Off
VIN = 0V
6 pF
CON A/B Capacitance, Switch On
VIN = 0V
10
Notes:
1. For Max. or Min. conditions, use appropriate value specified under Electrical Characteristics for the applicable device type.
2. Typical values are at VCC = 5.0V, TA= 25°C ambient and maximum loading.
3. Not more than one output should be shorted at one time. Duration of the test should not exceed one second.
4. Measured by the voltage drop between A and B pin at indicated current through the switch. ON resistance is determined by the lower of the voltages
on the two (A,B) pins.
5. This parameter is determined by device characterization but is not production tested.
2
PS8391C
09/15/04


Part Number PI5C16862C
Description 2-Port Bus Switch
Maker Pericom Semiconductor
Total Page 4 Pages
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